The Sealey SCFS04 Fireproof Electronic Combination Safe offers up to one hour fire resistance with UL approval The Sealey SCFS04 is a Fireproof Electronic Combination Safe with a heavy-duty ABS shell with a four bolt, door locking mechanism. The safe with its dual wall filled with cellular concrete offers up to one hour fire resistance with UL approval. Fitted with an electronic panel with LCD screen, accepts thousands of six digit codes. Features: Dual wall filled with cellular concrete Also supplied with two emergency override keys Offers up to one hour fire resistance with UL approval Heavy-duty ABS shell with a four bolt, door locking mechanism Electronic panel with LCD screen, accepts thousands of six digit codes Specification:  Wall/Door Thickness: 55/82mm  Internal Size (W x D x H): 340 x 240 x 190mm  External Size (W x D x H): 450 x 380 x 305mm